System Architect

WSH Experts Pte Ltd; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

WSH Experts Pte Ltd is seeking a seasoned Software Architect to design scalable, secure and high-performance software solutions. You will collaborate with engineering, product and DevOps to translate business requirements into robust architectures.

You will design and develop distributed systems using Java, Golang and Node.js, architect microservices on AWS, and lead enterprise fintech applications while ensuring high availability and security best practices.

Qualifications

• Bachelor’s degree or Diploma in Computer Science, IT or related field.
• 10+ years of software development and architecture experience.
• Strong hands-on Java, Spring Boot and distributed systems.
• Experience with AWS, Docker, Kubernetes and CI/CD.
• Solid knowledge of microservices, concurrency, networking and databases.
• Experience with SQL and NoSQL databases such as MySQL, Redis and MongoDB.

Responsibilities

• Design and develop scalable, secure, high-performance software systems.
• Architect microservices and cloud-native solutions on AWS.
• Lead architecture and implementation of enterprise and financial tech apps.
• Optimise databases with proper indexing, sharding and replication.
• Implement CI/CD pipelines and containerised deployments.
• Conduct profiling, load testing and performance tuning.

Skills

Java

Spring Boot

Distributed systems

AWS

Docker

Kubernetes

CI/CD

Microservices

Concurrency

Caching

SQL databases

NoSQL databases

Education

Bachelor’s or Diploma in Computer Science/IT

Tools

MySQL

Redis

MongoDB

Job description

Job Description:

We are seeking a skilled Software Architect to design and develop scalable,secure and high-performance software solutions. The successful candidate willwork closely with engineering, product and DevOps teams to translate businessrequirements into robust technical architectures.

Key Responsibilities:

• Design and develop scalable distributed systems using Java, Golang and Node.js.
• Architect microservices-based applications and cloud-native solutions on AWS.
• Design high-performance backend systems using concurrency, caching and event-driven architecture.
• Lead architecture and development of enterprise and financial technology applications.
• Design and optimise SQL and NoSQL databases, including Redis and MongoDB, using appropriate indexing, sharding and replication strategies.
• Implement CI/CD pipelines and containerised deployments using Docker and Kubernetes.
• Conduct system profiling, load testing and performance optimisation to improve reliability and scalability.
• Design secure and highly available systems incorporating authentication, encryption and industry security practices.
• Collaborate with engineering, product and DevOps teams to establish technical standards and deliver business solutions.
• Provide technical guidance on software architecture, distributed systems and application performance.

Requirements:

• Diploma/Degree in Computer Science, Information Technology or a related discipline.
• At least 10 years of relevant software development and architecture experience.
• Strong hands-on experience in Java, Spring Boot and distributed systems.
• Experience with AWS, Docker, Kubernetes and CI/CD.
• Strong knowledge of microservices, concurrency, networking and database technologies.
• Experience with SQL and NoSQL databases such as MySQL, Redis and MongoDB.
• Good understanding of software design principles, data structures and algorithms.
• Experience in financial technology, trading platforms or other high-performance systems will be advantageous.